275947163 has 2 divisors, whose sum is σ = 275947164. Its totient is φ = 275947162.

The previous prime is 275947117. The next prime is 275947187. The reversal of 275947163 is 361749572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275947163 - 2⁶ = 275947099 is a prime.

It is a super-2 number, since 2×275947163² = 152293673535497138, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (275947193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137973581 + 137973582.

It is an arithmetic number, because the mean of its divisors is an integer number (137973582).

Almost surely, 2^275947163 is an apocalyptic number.

275947163 is a deficient number, since it is larger than the sum of its proper divisors (1).

275947163 is an equidigital number, since it uses as much as digits as its factorization.

275947163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 275947163 is about 16611.6574428923. The cubic root of 275947163 is about 651.0414570701.

The spelling of 275947163 in words is "two hundred seventy-five million, nine hundred forty-seven thousand, one hundred sixty-three".